<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>ES7 新特性</title>
  </head>
  <body>
    <script>
      // includes   indexOf
      // const mingzhu = ['西游记','红楼梦','三国演义','水浒传'];

      //判断
      // console.log(mingzhu.includes('西游记'));
      // console.log(mingzhu.includes('金瓶梅'));

      // **
      console.log(2 ** 10); //
      console.log(Math.pow(2, 10));
    </script>
  </body>
</html>
